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Description

Cadmium is a soft, bluish white metal that occurs as minor component in most of the zinc ores. Cadmium phosphide is a binary compound of cadmium and phosphate, which readily reacts with nitric acid, oxidizing agents, acid fumes, acids, moisture, steam and water.

Applications

Cadmium phosphide finds applications in the following:

Pesticide

Laser diodes

High power, high frequency applications.

Chemical Properties

The chemical properties of cadmium phosphide are provided in the table below:

Chemical Properties

Chemical Formula

Cd3P2

Molecular Weight

399.181

CAS No.

12014-28-7

Group

Cadmium – 12
Phosphorus - 15

Crystal Structure

Tetragonal

Electrical Properties

The electrical properties of cadmium phosphide are provided in the table below:

Electrical Properties

Electrical Resistivity

9–25 x 10-3 Ω cm

Intrinsic Carrier Concentration

2-5 × 1017 cm-3

Dielectric Constant

37

Band Gap

0.52 eV

Electron Mobility

1500 cm2/Vs

Mechanical and Optical Properties

The mechanical and optical properties of cadmium phosphide are provided in the tables below:

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